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. 2013 Dec 4;16(3):434–440. doi: 10.1093/neuonc/not199

Fig. 5.

Fig. 5.

A histologically proven low-grade astrocytoma (WHO grade II) was diagnosed as true-positive with DOPA but not with FET-PET (a and b). Morphologically, the lesion appeared hyperintense in the FLAIR sequence (typical for a low grade lesions) but without contrast enhancement in T1w (d).